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2. Crawler excavator - Wikipedia

   en.wikipedia.org/wiki/Crawler_excavator

   John Deere 135P excavator with rubber tracked treads. A crawler excavator, also known as a track-type excavator or tracked excavator, is a type of heavy construction equipment primarily used for excavation and earthmoving tasks. It is characterized by its tracked undercarriage, which provides superior mobility and traction compared to wheeled ...

3. Challenger Tractor - Wikipedia

   en.wikipedia.org/wiki/Challenger_Tractor

   The original model was the Challenger 65 featuring the Mobile-Trac System (MTS) consisting of rubber tracks and a suspension system. [1] Although marketed as the world's first rubber-tracked agricultural tractor, a company using surplus equipment inspired by the design of military tanks had produced a considerable number of rubber tracked tank tractors.

4. Continuous track - Wikipedia

   en.wikipedia.org/wiki/Continuous_track

   The first rubber track was invented and constructed by Adolphe Kégresse and patented in 1913; in historic context rubber tracks are often called Kégresse tracks. First rubber-tracked agricultural tracked was Oliver Farm Equipment HGR in 1945-1948, which was ahead of its time and only seen small-scale production.

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6. Kégresse track - Wikipedia

   en.wikipedia.org/wiki/Kégresse_track

   It can be fitted to a conventional car or truck to turn it into a half-track, suitable for use over rough or soft ground. Conventional front wheels and steering are used, although skis may also be fitted. A snowmobile is a smaller ski-only type. "Russo-Balt" "C24-30" from the garage of Tsar Nicholas II with Kégresse track. Adolphe Kégresse ...

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9. Excavator - Wikipedia

   en.wikipedia.org/wiki/Excavator

   Generally, the 3 pumps used in excavators consist of 2 variable displacement piston pumps and a gear pump. The arrangement of the pumps in the excavator unit changes with different manufacturers using different formats. The three main sections of an excavator are the undercarriage, the house and the arm. The boom, the front part that is ...